(a) Any contract, rule, or device whatsoever, the purpose or intent of which shall be to enable any corporation to exempt itself from any liability created by §§ 11-8-101 — 11-8-108, shall to that extent be void.
(b) However, in any action brought against any corporation under or by virtue of any of the provisions of §§ 11-8-101 — 11-8-108, the corporation may set off therein any sum it has contributed or paid to any insurance relief benefit or indemnity that may have been paid to the injured employee or the person entitled thereto on account of the injury or death for which the action was brought.